Arrow -- "Spartan" -- Image Number: AR719a_0154b -- Pictured (L-R): Emily Bett Rickards as Felicity Smoak, Kacey Rohl as Alena Whitlock, Rick Gonzalez as Rene Ramirez/Wild Dog, Juliana Harkavy as Dinah Drake/Black Canary, Ernie Hudson as General Stewart, David Ramsey as John Diggle/Spartan and Stephen Amell as Oliver Queen/Green Arrow -- Photo: Dean Buscher/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

It’s time to get serious about taking down the Ninth Circle, and Team Arrow knows it needs help.

Arrow episode 719, “Spartan,” will see Diggle bringing in a general from his past to help the team with its latest threat.

ERNIE HUDSON (“GHOSTBUSTERS”) GUEST STARS — After the Ninth Circle delivers a major setback for Team Arrow, Diggle (David Ramsey) reluctantly reaches out to a Four-Star General of the Defense Intelligence Agency (guest star Ernie Hudson) for help, despite unresolved tension from their past. Meanwhile, Oliver (Stephen Amell) discovers a piece of information that he believes will turn Emiko (Sea Shimooka) against the Ninth Circle. Alena (guest star Kacey Rohl) returns with an interesting proposal for Felicity (Emily Bett Rickards).

Arrow episode 719 airs on April 22, 2019.

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